21103212332322 has 96 divisors (see below), whose sum is σ = 46131960888000. Its totient is φ = 6971870759040.

The previous prime is 21103212332299. The next prime is 21103212332359. The reversal of 21103212332322 is 22323321230112.

21103212332322 is a `hidden beast` number, since 2 + 1 + 1 + 0 + 3 + 2 + 1 + 2 + 332 + 322 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1471522872 + ... + 1471537212.

It is an arithmetic number, because the mean of its divisors is an integer number (480541259250).

Almost surely, 2^{21103212332322} is an apocalyptic number.

21103212332322 is an abundant number, since it is smaller than the sum of its proper divisors (25028748555678).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21103212332322 is a wasteful number, since it uses less digits than its factorization.

21103212332322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15968 (or 15965 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 21103212332322 its reverse (22323321230112), we get a palindrome (43426533562434).

The spelling of 21103212332322 in words is "twenty-one trillion, one hundred three billion, two hundred twelve million, three hundred thirty-two thousand, three hundred twenty-two".